diff --git a/sys/boot/fdt/dts/arm/bcm2836.dtsi b/sys/boot/fdt/dts/arm/bcm2836.dtsi
index bd75c843ca4..c1caac34c70 100644
--- a/sys/boot/fdt/dts/arm/bcm2836.dtsi
+++ b/sys/boot/fdt/dts/arm/bcm2836.dtsi
@@ -379,6 +379,8 @@
 		};
 
 		bsc0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			compatible = "broadcom,bcm2835-bsc",
 				     "broadcom,bcm2708-bsc";
 			reg = <0x205000 0x20>;
@@ -387,6 +389,8 @@
 		};
 
 		bsc1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			compatible = "broadcom,bcm2835-bsc",
 				     "broadcom,bcm2708-bsc";
 			reg = <0x804000 0x20>;